Facial muscle exerciser



FIG. 1 is a top perspective view of the facial muscle exerciserembodying the new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a top plan view thereof, and

FIG. 5 is a bottom plan view thereof.

The ornamental design for a facial muscle exerciser, as shown.